alertness
apartment
black
blue
break in
burglar
burglary
careful
clandestine
creeper
crime
dark
dusk
furtive
hidden
hood
house
interior
intruder
lurk
mask
night
nighttime
opportunistic
peek
peeking
prepared
rob
safety
search
security
shadow
stalk
stealing
stealth
strategy
surveil
theft
thief
trespasser
unlawful
urban
violator
watchful
window